An object of an example embodiment of the present disclosure is to stably estimate a navigation status of a target ship at a predetermined time from time-series position information of the ship. A ship behavior analyzing device according to the example embodiment of the present disclosure includes a ship detection means for detecting a ship from synthetic aperture radar (SAR) data, a wake extraction means for extracting a wake of the detected ship, a wake pattern generation means for generating a wake pattern image by using the extracted wake, and a navigation status estimation means for estimating a navigation status of the target ship by using the generated wake pattern image.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The ship behavior analyzing device according to claim 1, wherein the instructions are executable by the at least one processor to estimate the navigation status of the ship by using a learned parameter generated in advance by machine learning by using a plurality of wake patterns and a correct navigation status corresponding to each of the plurality of wake patterns.
3. The ship behavior analyzing device according to claim 2, wherein the instructions are executable by the at least one processor to generate the wake patterns in such a way that the wake is drawn by a different drawing method according to a speed of the ship.
4. The ship behavior analyzing device according to claim 3, wherein the drawing method is selected from a group including a line color, a line thickness, and a line type of the wake pattern.
5. The ship behavior analyzing device according to claim 1, wherein the instructions are executable by the at least one processor to detect the ship by using adaptive thresholding.
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February 6, 2019
July 16, 2024
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